Толковый словарь английского языка - equatorial

adjective Date: 1664 1. of, relating to, or located at the equator or an equator, of, originating in, or suggesting the region around the geographic equator, 2. being or having a support that includes two axles at right angles to each other with one parallel to the earth's axis of rotation , extending in a direction essentially in the plane of a cyclic structure (as of cyclohexane)